River Alde (Headwaters)

6 fish species have been recorded at 3 locations along the River Alde (Headwaters).

Records updated10 August 2026Most recent survey: 2017
Fish species
6
Places surveyed
3
Survey visits
11
Records span
1998–2017

Local EA evidence

Where fish were recorded

3 of 3 places shown

Choose a point on the map to see what was recorded there.

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River conditions

Environment Agency evidence

Fish found in this river

Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.

FishSitesMost recentFish countedMeasured lengthMeasured weight
3-spined sticklebackGasterosteus aculeatus32017138Median: 3.9 cm138 fish measuredLargest measured 3-spined stickleback: 7.8 cm—
Stone loachBarbatula barbatula32017139Median: 9.2 cm139 fish measuredLargest measured stone loach: 12.2 cm—
10-spined sticklebackPungitius pungitius3201719Median: 4.2 cm19 fish measuredLargest measured 10-spined stickleback: 5.3 cm—
European eelAnguilla anguilla22017103Median: 22.2 cm15 fish measuredLargest measured european eel: 58.5 cmMedian: 0.5 oz (0.015 kg)15 fish weighedLargest measured: 12.9 oz (0.365 kg)
DaceLeuciscus leuciscus220175Median: 12.5 cm5 fish measuredLargest measured dace: 15.9 cm—
Brown / sea troutSalmo trutta120111Recorded length: 22 cm1 fish measured—

EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.

Useful context

This page follows survey locations along the main River Alde (Headwaters). Tributaries and unrelated rivers with similar names are kept separate.

The map shows past fish records, not fishing access or a promise of what you’ll catch today.

How RiverFish handles the data →